Twisting frame



May 17, 1938.

A. w. BABBITT El" L 2,117,870

TWISTING FRAME Filed Feb. 4, 1957 2 Sheets-Sheet 1 May 17, 1938. I A. w. BABBIVTT ET AL' TWISTING FRAME Filed Feb. 4, 1957 2 Sheets-Sheet 2 Patented May 17, 1938 UNITED STATES TWISTING FRAME Arthur Westall Babbitt, Newark, N. J and John Colby Lewis, Providence, R. I., assignors to The Clark Thread Company, Newark,

poration of New Jersey N. J., a cor- Application February 4, 1937, Serial No. 123,978

1 Claim.

This invention relates to a novel and improved form of twisting frame, the novel features of which will be best understood from the following description and the annexed drawings, in

which we have shown selected embodiments of the invention and in which:

Fig. 1 is a front view of a portion of a twisting frame having our invention applied thereto;

Fig. 2 is a plan View of the structure appearing in Fig. 1;

Fig. 3 is a section approximately on 3-3 of Fig. 1;

Fig. 4 is a view similar to Fig. 1 but showing a different embodiment of the invention;

Fig. 5 is a view of the form of separator shown in Fig. 4;

Fig. 6 is a section approximately on the line 6-6 of Fig. 4;

Fig. '7 is a fragmentary view on an enlarged scale and taken on the same plane as Fig. 4.

We have shown the invention as being applied to a twisting frame having a spindle rail l upon which are supported a plurality of spindles 2 supporting bobbins or spools 3. The frame also comprises a ring rail 4. having holes through which the bobbins may pass and supporting rings 5 which carry travelers B slidably mounted on the rings.

As is well known in the art, yarn or thread I to which a twist is being imparted passes from the line a cheese or other source of supply to the bobbin through the traveler upon the ring surrounding the particular bobbin, and relative movement between the ring rail and the spindle rail causes the thread to traverse the length of the bobbin as a it is wound thereon after being twisted. The relative movement referred to may be caused by any suitable and well known mechanism including a rod 8 which passes through the spindle rail and is secured to the ring rail and reciprocated vertically, thus causing the desired traverse of the thread as it is twisted and wound on the bobbin.

When the thread being wound on the bobbin breaks, or when the end of the thread comes through to the bobbin, it will be seen that it is thrown outwardly by the centrifugal force of the rotating bobbin. Since the bobbin is rotating at high speed, the force exerted by the end flying out from the bobbin is quite substantial in amount, and when the end comes in contact with the thread of other bobbins it causes a good deal of damage. This damage oftentimes takes the form of broken thread on the other bobbins. Another way in which damage may occur is in the formation of fuzz on the end itself as it flies around, this fuzz quickly collecting dust and grease and smearing it on the adjacent bobbins. Certain attempts have been made to overcome this difficulty by providing separators, between the bobbins mounted on the ring rail, and these are generally satisfactory if the end does not pass below the ring rail. However, if the ring rail happens to be adjacent the top of the bobbin, the end is very apt to pass through the traveler and in fact this may take place when the ring rail is in any position above its lowest one. The separators used in the prior art have not prevented damage under such circumstances.

According to our invention, we provide separators which will protect the bobbins throughout their lengths. In Figs 1, 2, and 3, we have shown such separators at 9 which are provided with feet I!) which in turn have slots H to receive screws l2 which clamp the feet to the spindle rail. The separators extend upwardly through slots 13 in the ring rail, and the slots H permit accurate centering of the separator in these slots [3.

The separators are preferably formed with a wide portion throughout the length of the bobbins, and the relatively narrow leg M may be used to connect the foot to the relatively wide upper portion.

The rods 8 by which the ring rail is recipro- 30 cat-ed are usually placed between bobbins, and a relatively short separator 9' may be placed above each rod, as indicated in Fig. 1, to protect the bobbins on opposite sides thereof, the rod 8 acting as such protection below the ring rail. This separator 9' may be secured to the top of the ring rail in any suitable manner, the details of which will not be described.

In Figs. 4, 5, 6, and '7 is shown a separator 9 which is identical with the form shown in the 40 other figures and described above, except that the foot Ill thereof, instead of being secured directly to the spindle rail by a screw, is held thereon by means of a spring clamp i5 secured to the spindle rail by means of a screw it passing through suitable spacers l1. This spring clamp permits ready installation and adjustment of the separators, as will be plain to those skilled in the art.

While We have shown the invention as embodied in specific forms, it is to be understood that various changes in details may be made without departing from the scope of the invention as defined by the appended claim.

We claim:

In a twisting frame, a spindle rail having means to support a plurality of substantially parallel spindles thereon, a ring rail movable towards and away from said spindle rail and parallel thereto and a separator of sheet material disposed between two spindles and extending substantially the entire lengths of said spindles parallel thereto, said ring rail having a slot through which said separator freely passes during relative movement of the rails, a foot on the separator engaging the spindle rail, and a spring clamp on the spindle rail adapted to engage said foot and hold it against the rail.

ARTHUR WESTALL BABBITT. J. COLBY LEWIS. 

